Finding the Fourth Proportional to 98,537,142.58, 135,975,414.17 and 54,480,683.68
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Solution
The fourth proportional to 98,537,142.58, 135,975,414.17 and 54,480,683.68 is: 75,180,113.14
Step by Step Solution
- Step 1: Write the proportion equation
98,537,142.58 : 135,975,414.17 = 54,480,683.68 : x - Step 2: Convert to fraction form
98,537,142.58/135,975,414.17 = 54,480,683.68/x - Step 3: Cross multiply
98,537,142.58x = 135,975,414.17 × 54,480,683.68 - Step 4: Simplify right side
98,537,142.58x = 7,408,033,527,907,703 - Step 5: Solve for x
x = 7,408,033,527,907,703/98,537,142.58 - Step 6: Final answer
x = 75,180,113.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.